Tattvamasitatvam written by Andhra Vyakhyatha Brahmasri Ravipati Balagurunadha Sarma Garu. He was the native of Narasaraopet, Guntur District, Andhra Pradesh, India. He was retired from Judicial Department. His wife Smt Thripura Sundari and blessed with eleven children out of that six female and five male. He was very famous in preaching pravachanams about Adi Sankara.